Skip to main content

Table 6 Effect estimates and 95% confidence intervals of FVC and FEV1, emphysema index, and mean wall area % for interquartile range increases in PM10 (4.4 μg/m3) and NO2 (3.0 ppb) by gender in the CODA cohort

From: Long-term exposure to PM10 and NO2 in relation to lung function and imaging phenotypes in a COPD cohort

 

PM10

P for interaction

NO2

P for interaction

Male (n = 335)

Female (n = 122)

Male (n = 335)

Female (n = 122)

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

FVC, L

 Model 1a

−0.20 (−0.30, − 0.10)

0.000

0.02 (− 0.14, 0.19)

0.762

0.021

−0.11 (− 0.20, − 0.02)

0.023

−0.03 (− 0.18, 0.12)

0.704

0.365

 Model 2b

−0.19 (− 0.30, − 0.08)

0.001

0.03 (− 0.13, 0.19)

0.727

0.022

−0.12 (− 0.21, − 0.02)

0.015

−0.05 (− 0.20, 0.10)

0.527

0.436

 Model 3c

−0.18 (− 0.29, − 0.07)

0.001

0.03 (− 0.13, 0.20)

0.697

0.024

−0.11 (− 0.20, − 0.02)

0.022

−0.04 (− 0.19, 0.11)

0.608

0.430

FEV1, L

 Model 1a

−0.07 (− 0.15, 0.01)

0.080

0.05 (− 0.08, 0.18)

0.423

0.103

−0.01 (− 0.08, 0.07)

0.856

0.03 (− 0.08, 0.15)

0.556

0.546

 Model 2b

−0.05 (− 0.14, 0.03)

0.236

0.06 (− 0.06, 0.19)

0.325

0.122

−0.01 (− 0.08, 0.06)

0.756

0.02 (− 0.09, 0.14)

0.695

0.613

 Model 3c

−0.09 (− 0.17, − 0.01)

0.034

0.00 (− 0.13, 0.12)

0.945

0.231

−0.01 (− 0.08, 0.06)

0.833

−0.02 (− 0.13, 0.09)

0.764

0.885

Emphysema index

 Model 1a

1.15 (0.14, 2.17)

0.026

1.08 (−0.64, 2.80)

0.219

0.942

0.42 (−0.54, 1.37)

0.391

0.15 (−1.50, 1.84)

0.861

0.786

 Model 2b

1.09 (−0.21, 2.40)

0.100

1.04 (−0.77, 2.85)

0.261

0.957

0.43 (−0.52, 1.38)

0.374

0.08 (−1.60, 1.77)

0.922

0.723

 Model 3c

0.95 (−0.31, 2.21)

0.139

1.54 (−0.22, 3.31)

0.086

0.549

0.26 (−0.67, 1.18)

0.586

0.29 (−1.30, 1.93)

0.724

0.968

Mean wall area %

 Model 1a

1.30 (0.42, 2.18)

0.004

0.25 (−1.20, 1.74)

0.744

0.227

0.19 (−0.64, 1.01)

0.657

0.98 (−0.49, 2.45)

0.190

0.352

 Model 2b

0.86 (−0.27, 1.98)

0.135

−0.06 (−1.60, 1.51)

0.945

0.300

0.21 (−0.62, 1.03)

0.624

0.89 (−0.57, 2.34)

0.231

0.418

 Model 3c

0.67 (−0.43, 1.77)

0.234

0.15 (−1.40, 1.69)

0.846

0.550

0.11 (−0.69, 0.91)

0.784

0.98 (−0.44, 2.40)

0.177

0.295

  1. aModel 1 was adjusted for age, education, height, weight, smoking, pack-years, medication use, and job
  2. bModel 2 was adjusted for age, education, height, weight, smoking, pack-years, medication use, job and calendar year at PFT test
  3. cModel 3 was adjusted for age, education, height, weight, smoking, pack-years, medication use, job, calendar year at PFT test, asthma and COPD